From owner-freebsd-stable Mon Dec 18 15:52:15 2000 From owner-freebsd-stable@FreeBSD.ORG Mon Dec 18 15:52:13 2000 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from leviathan.inethouston.com (216-118-21-146.pdq.net [216.118.21.146]) by hub.freebsd.org (Postfix) with ESMTP id 8727B37B400 for ; Mon, 18 Dec 2000 15:52:12 -0800 (PST) Received: from dwcjr (DWCJR.inethouston.net [216.118.21.147]) by leviathan.inethouston.com (Postfix) with ESMTP id 78934177E8F; Mon, 18 Dec 2000 17:52:59 -0600 (CST) Message-ID: <01a501c0694d$c0865040$931576d8@inethouston.net> From: "David W. Chapman Jr." To: "Brooks Davis" Cc: "stable" References: <015d01c0694b$c34952c0$931576d8@inethouston.net> <20001218154939.A15680@Odin.AC.HMC.Edu> Subject: Re: DMA33 ATAPI CDROM and 4.2-STABLE Date: Mon, 18 Dec 2000 17:53:42 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > DMA is disabled by default for ATAPI devices like CD-ROM drives because > many report that the support it but just crash your system if you > actually try to use it. If you really want that virtualy useless > speedup you can enable the option ATA_ENABLE_ATAPI_DMA in your kernel > config. > I actually have that option compiled in my kernel, not that I need the speedup, unless it is slowing down my dma66 harddrive. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message